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I <br /> Sap Joaquin County <br /> AQU�N <br /> Environmental Health Department DIRECTOR <br /> Donna Heran, REHS <br /> 600 East Main Street <br /> N. Stockton' California 95202-3029 PROGRAM COORDINATORS <br /> Robert McClellon, RENS <br /> Jeff Carruesco, REHS, RDI <br /> Website: www.sjgov.org/ehd KaseyFoley, REHS- <br /> t Phone: (209) 468-3420 Linda Turkatte, REHS <br /> Fax: (209)464-0138 <br /> I <br /> October 3, 2011 <br /> Port of Stockton <br /> Mr. Jeff Wingfield. <br /> 2201 W. Washington St <br /> Stockton CA 95201 <br /> Subject: UST Site #3 LOP Case #: 1282124 <br /> Port Rd G at 13t4 St CUF#: 013777 <br /> Stockton, CA 95201 Global ID #: T0607700817 <br /> The San Joaquin County Environmental Health Department (EHD) has reviewed Ozone <br /> Peroxide Pilot Test Report (Report), dated August 19, 2011, submitted by your <br /> consultant, WGR Southwest, Inc. <br /> :The Report covers the procedure for and the results of the injection since March 2011 of <br /> approximately 200 pounds of ozone and 144 gallons of'hydrogen peroxide into the N <br /> subsurface through dedicated test wells installed under EHD approval. <br /> Conclusions in the.Report stated that subsurface conditions rendered remediation via <br /> oxidation injection to be ineffective and it recommended to discontinue injection of the <br /> oxidizers and to decommission the Ozone-Peroxide system at the site, then after one <br /> year, submitting 'a reassessment of the site to the EHD that addresses remediation <br /> needs. The EHD concurs. <br /> Please continue to monitor the site and sample the.existing monitoring wells as per the <br /> approved schedule. You may contact.Mr. Michael Infurna at (209) 468-3454 if you have <br /> any questions. Mr. Infurna can also be reached by electronic mail at <br /> rninfurna(@sicehd.com. <br /> Michael J. Infurna Jr., RE S Nuel C. Henderson Jr., PG <br /> Senior Registered Environmental Health Specialist Engineering Geologist <br /> I <br /> c: Mr. James L. Barton, CVRWQCB, Underground Storage Tank Unit, 11020 Sun <br /> Center Drive, #200, Rancho Cordova, CA 95670-611.4 <br /> Mr. Kirk Larson, Underground Storage Tank Cleanup Fund, State Water <br /> Resources Control Board, P.O. Box 944212, Sacramento, CA 94244-2120 <br /> Mr. Chris Strong,WGR Southwest, 315 W. Pine St., Lodi, 95240 <br />